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题目:: Characterization of rat mammary cell types in primary culture: lectins and antisera to basement membrane and intermediate filament proteins as indicators of cellular heterogeneity.
作者:: Warburton(M J),Ferns(S A),Hughes(C M),Rudland(P S)
状态:: 发布时间1986-06-09 , 更新时间 2015-11-19
期刊:: J Cell Sci
摘要:: Three morphologically distinct major cell types were observed in primary cultures obtained from the mammary parenchyma of glands from virgin rats. These cell types consisted of small cuboidal epithelial cells, larger epithelioid cells and elongated cells. We have investigated the distribution of the basement membrane proteins laminin and type IV collagen, and the intermediate filament proteins vimentin and prekeratin, in these three cell types using immunofluorescence techniques. Antisera to the basement membrane proteins stain the large epithelioid cells and the elongated cells, but do not stain the small cuboidal cells. Polyclonal antiserum to keratin stains all the small cuboidal and large epithelioid cells, but only a small subpopulation of the elongated cells. However, a monoclonal antibody to keratin, LP34, stains only the large cuboidal and a proportion of the elongated cells. Vimentin antiserum fails to stain the small cuboidal cells but stains all the large epithelioid and elongated cells. In addition, peanut lectin, which binds only to ductal lining epithelial cells in the virgin rat mammary gland in vivo after their treatment with neuraminidase, binds to the small cuboidal cells after neuraminidase treatment but not to the other cell types. However, Griffonia simplicifolia agglutinin I, which specifically stains myoepithelial cells in vivo, binds to the large epithelioid and elongated cells but not to the small cuboidal cells. These results suggest that the small cuboidal cells are related to mammary ductal epithelial cells whereas the large epithelial and elongated cells have some characteristics of myoepithelial cells.
语言:: eng
DOI:

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